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MediumEditor

MediumEditor is a free, MIT-licensed JavaScript inline editor for web pages and self-hosted projects.

Place
#27 of 37
Score
5.7
MediumEditor's website

What MediumEditor is

MediumEditor is a free, MIT-licensed JavaScript inline editor for web pages and self-hosted projects. It uses vanilla JavaScript without additional frameworks and is described as about 28 kB gzipped. Selected page elements become HTML5 editable content with a toolbar, and textareas are supported as well. The default controls cover bold, italic, underline, links, H2, H3, and quote formatting. Developers can configure built-in buttons or add custom controls through extensions. Community extensions provide image uploads and embeds, custom HTML, tables, Markdown, and mentions, including Twitter, YouTube, and Vimeo embeds. Listed themes include Mani, Roman, Flat, Bootstrap, Tim, and Beagle. Installation is documented through npm, Bower, CDNs, or self-hosted files. Listed browser support covers Chrome, Firefox, Safari, Internet Explorer, and Edge. The project is not affiliated with Medium.com and is provided without warranty.

Good

  • Uses vanilla JavaScript with no extra frameworks
  • HTML5 editable elements and textareas supported
  • Custom toolbar buttons available through extensions
  • Community extensions add tables and media embeds
  • MIT licensed and free

Watch out

  • Provided without warranty
  • Font Awesome labels require version 4.1.0 CSS
  • Community project requests maintenance support
  • Not affiliated with Medium.com

Who it suits

MediumEditor suits developers adding inline editing to web pages or self-hosted applications. It is useful when vanilla JavaScript, configurable toolbars, and community extensions are preferred.

Verdict

MediumEditor offers a lightweight, framework-free way to add inline editing in browsers. Its extensions and themes broaden the default toolbar, while setup and maintenance remain the responsibility of the deploying team.

The facts

Each one read from MediumEditor's own pages, with the date it was checked.

What it does

Affiliation
The official site says the project is not affiliated with Medium.com.checked 11 Oct 2026
Customization
Toolbar buttons, selection behavior, spellcheck, and other settings can be configured through constructor options.checked 11 Oct 2026
Editing
It turns selected HTML elements into editable content and can also work with a textarea by linking its value to the editable content.checked 11 Oct 2026
Extensions
The site lists community extensions for image uploads and media embeds, tables, Markdown, mentions, and other functions.checked 11 Oct 2026
Implementation
It is written in pure, vanilla JavaScript and requires no additional libraries or frameworks.checked 11 Oct 2026
Installation
The project offers installation through npm, Bower, jsDelivr CDN, or self-hosted files.checked 11 Oct 2026
Integrations
The README says contributors have made wrappers for integrating MediumEditor with different frameworks and tech stacks.checked 11 Oct 2026
License
The repository license permits use, copying, modification, distribution, sublicensing, and sale, subject to its stated conditions.checked 11 Oct 2026
Limitations
The project notes that using Font Awesome button labels requires Font Awesome CSS version 4.1.0 on the page.checked 11 Oct 2026
Purpose
MediumEditor is a lightweight inline editor toolbar and a clone of Medium.com’s inline editor.checked 11 Oct 2026
Size
The site describes it as approximately 28 kB gzipped.checked 11 Oct 2026
Support
The repository asks interested people to help maintain the project and points to an issue titled “We're LOW on support! Help us get up again!!!”.checked 4 Oct 2026
Themes
The site lists six themes: Mani, Roman, Flat, Bootstrap, Tim, and Beagle.checked 11 Oct 2026
Toolbar
The toolbar appears when text is selected and supports built-in buttons as well as custom buttons supplied through extensions.checked 11 Oct 2026

Where it runs

Browser support
The site lists Chrome, Firefox, Safari, Internet Explorer, and Edge as supported browsers.checked 11 Oct 2026

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